118eed485e
All usages of "type" to refer to classes were renamed to "class" ClassDB has been exposed to GDScript. OBJ_TYPE() macro is now GDCLASS()
125 lines
5.9 KiB
C++
125 lines
5.9 KiB
C++
/*************************************************************************/
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/* resource_loader.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef RESOURCE_LOADER_H
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#define RESOURCE_LOADER_H
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#include "resource.h"
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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class ResourceInteractiveLoader : public Reference {
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GDCLASS(ResourceInteractiveLoader,Reference);
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protected:
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static void _bind_methods();
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public:
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virtual void set_local_path(const String& p_local_path)=0;
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virtual Ref<Resource> get_resource()=0;
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virtual Error poll()=0;
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virtual int get_stage() const=0;
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virtual int get_stage_count() const=0;
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virtual Error wait();
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ResourceInteractiveLoader() {}
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};
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class ResourceFormatLoader {
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public:
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virtual Ref<ResourceInteractiveLoader> load_interactive(const String &p_path,Error *r_error=NULL);
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virtual RES load(const String &p_path,const String& p_original_path="",Error *r_error=NULL);
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virtual void get_recognized_extensions(List<String> *p_extensions) const=0;
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virtual void get_recognized_extensions_for_type(const String& p_type,List<String> *p_extensions) const;
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bool recognize(const String& p_extension) const;
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virtual bool handles_type(const String& p_type) const=0;
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virtual String get_resource_type(const String &p_path) const=0;
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virtual void get_dependencies(const String& p_path,List<String> *p_dependencies,bool p_add_types=false);
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virtual Error load_import_metadata(const String &p_path, Ref<ResourceImportMetadata>& r_var) const { return ERR_UNAVAILABLE; }
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virtual Error rename_dependencies(const String &p_path,const Map<String,String>& p_map) { return OK; }
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virtual ~ResourceFormatLoader() {}
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};
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typedef void (*ResourceLoadErrorNotify)(void *p_ud,const String& p_text);
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typedef void (*DependencyErrorNotify)(void *p_ud,const String& p_loading,const String& p_which,const String& p_type);
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class ResourceLoader {
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enum {
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MAX_LOADERS=64
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};
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static ResourceFormatLoader *loader[MAX_LOADERS];
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static int loader_count;
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static bool timestamp_on_load;
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static void* err_notify_ud;
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static ResourceLoadErrorNotify err_notify;
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static void* dep_err_notify_ud;
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static DependencyErrorNotify dep_err_notify;
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static bool abort_on_missing_resource;
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static String find_complete_path(const String& p_path,const String& p_type);
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public:
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static Ref<ResourceInteractiveLoader> load_interactive(const String &p_path,const String& p_type_hint="",bool p_no_cache=false,Error *r_error=NULL);
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static RES load(const String &p_path,const String& p_type_hint="",bool p_no_cache=false,Error *r_error=NULL);
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static Ref<ResourceImportMetadata> load_import_metadata(const String &p_path);
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static void get_recognized_extensions_for_type(const String& p_type,List<String> *p_extensions);
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static void add_resource_format_loader(ResourceFormatLoader *p_format_loader,bool p_at_front=false);
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static String get_resource_type(const String &p_path);
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static void get_dependencies(const String& p_path,List<String> *p_dependencies,bool p_add_types=false);
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static Error rename_dependencies(const String &p_path,const Map<String,String>& p_map);
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static String guess_full_filename(const String &p_path,const String& p_type);
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static void set_timestamp_on_load(bool p_timestamp) { timestamp_on_load=p_timestamp; }
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static void notify_load_error(const String& p_err) { if (err_notify) err_notify(err_notify_ud,p_err); }
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static void set_error_notify_func(void* p_ud,ResourceLoadErrorNotify p_err_notify) { err_notify=p_err_notify; err_notify_ud=p_ud;}
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static void notify_dependency_error(const String& p_path,const String& p_dependency,const String& p_type) { if (dep_err_notify) dep_err_notify(dep_err_notify_ud,p_path,p_dependency,p_type); }
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static void set_dependency_error_notify_func(void* p_ud,DependencyErrorNotify p_err_notify) { dep_err_notify=p_err_notify; dep_err_notify_ud=p_ud;}
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static void set_abort_on_missing_resources(bool p_abort) { abort_on_missing_resource=p_abort; }
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static bool get_abort_on_missing_resources() { return abort_on_missing_resource; }
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};
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#endif
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